Portable bluetooth stereo speaker



FIG. 1 is a top, front, perspective view of a portable bluetooth stereo speaker showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side view thereof, and the opposite side view being a mirror image thereof; and,

FIG. 7 is a cross-sectional view thereof taken along the line 7-7 of FIG. 2.

The broken lines portions of FIG. 7 are included to show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a portable bluetooth stereo speaker, as shown and described. 